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Table 3 Prevalence of S. haematobium in the five study villages near Bouaké in central Côte d'Ivoire, stratified by age category between 2007 and 2009

From: Dynamics of freshwater snails and Schistosoma infection prevalence in schoolchildren during the construction and operation of a multipurpose dam in central Côte d’Ivoire

  2007 2009  
Age category (in years) n p (%) n p (%) χ 2 P-value
≤5 38 3 (7.9) 36 1 (2.7)   
6–15 198 23 (11.6) 140 4 (3.0)   
>15 315 12 (3.8) 183 3 (1.6)   
Total 551 38 (6.9) 372 8 (2.2) 7.40 0.006
  1. n: number of individuals examined
  2. p: number of individuals infected
  3. %: prevalence